MSD Ignition Controller Digital 6A Ignition & Rev Control Universal # MSD64253Ignition Box Digital 6A Ignition with Rev ControlIgnition Box Output:Capacitive dischargeCircuitry:DigitalRev Limiter:YesTiming Retard:NoneData Acquisition:NoCD Voltage Output to Coil:520-540 VCurrent Draw:0.7 amps per 1,000 rpmSpark Output (millijoules):135-145 MillijoulesMinimum Operating Voltage:12 VMaximum Operating Voltage:15 VLength (in):8.000 in.Height (in):1.875 in.Width (in):4.000 in.Ignition Box Color:BlackCoil Included:NoWarranty:1-yearQuantity:Sold individually.Advance with the digital power of your popular favorite--MSD 6AL ignitions. With less power draw and higher output, MSD moves you with "the fire to drive" in a digital powerhouse! Inside microprocessors, updated circuits and efficient components monitor and handle every firing and rev limit to produce more power while pulling less current. Don't worry; features that made their 6AL boxes your first choice remain but with improved output--more than135mJ of spark energy for every firing with 530+ volts to the coil! And, to go with the new power, a new look. These digital 6AL ignition controllers are sleek with a lower profile. Wiring is routed out one end through a sealed and locked connector and two rotary dials to set rpm limit are positioned right on top--easier installation, super easy access and a clean, neat appearance under the hood. Controllers are supplied with wiring harness and components you need for install plus, vibration mounts. Increased output and proven multiple-spark power--MSD digital 6AL ignition controllers are a definite win-win!